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3 years ago

THIS IS ON MY UNIT 3 STUDY GUIDE!!!!!!!!! What is a covalent compound? Write an example.

Chemistry

1 answer:

Rudiy273 years ago

3 0

water is a covalent compound which is formed by the covalent bonding between hydrogen and oxygen atoms.

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A chemical reaction in which one element replaces another element in a compound can be categorized as a

rewona [7]

They are substitution reactions

hope that helps

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3 years ago

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Which of these are chemical changes in matter? Check all that apply.

LenKa [72]

I can not answer the question without the answer choices, when it is put up i will be able to answer the question.

6 0

3 years ago

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What is the energy of a photon with the frequency of 1.02 x 1015 Hz?<br> Please show your work!

galben [10]

<span> E = h v where v = frequency h = plancks constant 6.626 * 10 - 34

4.8 * 6.626 = 31.8 </span>

7 0

3 years ago

Write the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by each:

Sladkaya [172]

Answer:

Part A:

Charge is $P^{3-}$

Configuration is $1s^2 2s^22p^63s^23p^6$

Part B:

Charge is $Mg^{2+}$

Configuration is $1s^2 2s^22p^6$

Part C:

Charge is $Se^{2-}$

Configuration is $1s^2 2s^22p^63s^23p^64s^23d^{10}4p^6$

Explanation:

Monatomic ions:

These ions consist of only one atom. If they have more than one atom then they are poly atomic ions.

Examples of Mono Atomic ions: $Na^+, Cl^-, Ca^2^+$

Part A:

For P:

Phosphorous (P) has 15 electrons so it require 3 more electrons to stabilize itself.

Charge is $P^{3-}$

Full ground-state electron configuration of the mono atomic ion:

$1s^2 2s^22p^63s^23p^6$

Part B:

For Mg:

Magnesium (Mg) has 12 electrons so it requires 2 electrons to lose to achieve stable configuration.

Charge is $Mg^{2+}$

Full ground-state electron configuration of the mono atomic ion:

$1s^2 2s^22p^6$

Part C:

For Se:

Selenium (Se) has 34 electrons and requires two electrons to be stable.

Charge is $Se^{2-}$

Full ground-state electron configuration of the mono atomic ion:

$1s^2 2s^22p^63s^23p^64s^23d^{10}4p^6$

8 0

3 years ago

Which of these might affect whether or not a particular chemical reaction occurs?

Vinvika [58]

Your answer would be D.

8 0

2 years ago